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Description:Nisin is a polypeptide produced by Lactococcus lactis and can be digested into amino acids by a-chymotrypsin in human intestines and stomach. The use of nisin will not affect the normal bacterial community, nor produce the drug resistance or chiasmatic resistance as it happened when the antibiotics used. Nisin is a nonpoisonous and high efficacious food preservative/anti-microbial agent. It possesses anti-microbial activity against a wide range of gram-positive bacteria, particularly those that produce spores, which are the major food spoilage organisms, such as clostridium botulinum, staphylococcus aureus, streptococcus hemolyticus, listeria monocytogenes, bacillus stearothermophilus and bacillus subtilis. The use of nisin, as a food preservative, can greatly decrease the required temperature and shorten the time at food heat processing, which could not only improve the nutritional value, appearance, flavor and texture of foods, prolong significantly the shelf-life, but also save energy greatly and lower the product cost. Now, nisin have been used in a wide range of processed foods, e.g. cured meat, dairy products, plant protein foods, canned foods, and heat-treated/air-tightly packed foods etc , it can also be used in the areas of cosmetics, medicines and health products. Nisin, as an effective natural food preservative, can be used in a number of foods under the permission by local legislation. Some of the application of nisin is listed as follows: dairy products, meat products, marine products, plant protein foods, canned food, fruit juice drinks, liquid egg and egg, contained products, alcoholic beverage, salad sauce and dressings and sealed foods with heat process. Storage: stable for 24 months from the date of manufacture when it is stored in dry conditions, away from direct sunlight and between 2°C and 15°C. Packing: 500g/bottle 1,000g/bottle with self-sealed screw-caps 20 bottles/case, or as per customers' requests